System.Runtime.InteropServices.ComTypes.CALLCONV public enum CALLCONV Documentation CC_CDECL = 1 CC_MACPASCAL = 3 CC_MAX = 9 CC_MPWCDECL = 7 CC_MPWPASCAL = 8 CC_MSCPASCAL = 2 CC_PASCAL = 2 CC_RESERVED = 5 CC_STDCALL = 4 CC_SYSCALL = 6